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-rw-r--r--target/arm/neon-dp.decode15
-rw-r--r--target/arm/translate-neon.c.inc16
2 files changed, 21 insertions, 10 deletions
diff --git a/target/arm/neon-dp.decode b/target/arm/neon-dp.decode
index 1e9e859291..ea2f0dfcf1 100644
--- a/target/arm/neon-dp.decode
+++ b/target/arm/neon-dp.decode
@@ -45,11 +45,16 @@
@3same_q0 .... ... . . . size:2 .... .... .... . 0 . . .... \
&3same vm=%vm_dp vn=%vn_dp vd=%vd_dp q=0
-# For FP insns the high bit of 'size' is used as part of opcode decode
-@3same_fp .... ... . . . . size:1 .... .... .... . q:1 . . .... \
- &3same vm=%vm_dp vn=%vn_dp vd=%vd_dp
-@3same_fp_q0 .... ... . . . . size:1 .... .... .... . 0 . . .... \
- &3same vm=%vm_dp vn=%vn_dp vd=%vd_dp q=0
+# For FP insns the high bit of 'size' is used as part of opcode decode,
+# and the 'size' bit is 0 for 32-bit float and 1 for 16-bit float.
+# This converts this encoding to the same MO_8/16/32/64 values that the
+# integer neon insns use.
+%3same_fp_size 20:1 !function=neon_3same_fp_size
+
+@3same_fp .... ... . . . . . .... .... .... . q:1 . . .... \
+ &3same vm=%vm_dp vn=%vn_dp vd=%vd_dp size=%3same_fp_size
+@3same_fp_q0 .... ... . . . . . .... .... .... . 0 . . .... \
+ &3same vm=%vm_dp vn=%vn_dp vd=%vd_dp q=0 size=%3same_fp_size
VHADD_S_3s 1111 001 0 0 . .. .... .... 0000 . . . 0 .... @3same
VHADD_U_3s 1111 001 1 0 . .. .... .... 0000 . . . 0 .... @3same
diff --git a/target/arm/translate-neon.c.inc b/target/arm/translate-neon.c.inc
index 2d4926316a..255c1cf8a2 100644
--- a/target/arm/translate-neon.c.inc
+++ b/target/arm/translate-neon.c.inc
@@ -49,6 +49,12 @@ static inline int rsub_8(DisasContext *s, int x)
return 8 - x;
}
+static inline int neon_3same_fp_size(DisasContext *s, int x)
+{
+ /* Convert 0==fp32, 1==fp16 into a MO_* value */
+ return MO_32 - x;
+}
+
/* Include the generated Neon decoder */
#include "decode-neon-dp.c.inc"
#include "decode-neon-ls.c.inc"
@@ -1049,7 +1055,7 @@ DO_3SAME_VQDMULH(VQRDMULH, qrdmulh)
WRAP_FP_GVEC(gen_##INSN##_fp16_3s, FPST_STD_F16, HFUNC) \
static bool trans_##INSN##_fp_3s(DisasContext *s, arg_3same *a) \
{ \
- if (a->size != 0) { \
+ if (a->size == MO_16) { \
if (!dc_isar_feature(aa32_fp16_arith, s)) { \
return false; \
} \
@@ -1088,7 +1094,7 @@ static bool trans_VMAXNM_fp_3s(DisasContext *s, arg_3same *a)
return false;
}
- if (a->size != 0) {
+ if (a->size == MO_16) {
if (!dc_isar_feature(aa32_fp16_arith, s)) {
return false;
}
@@ -1103,7 +1109,7 @@ static bool trans_VMINNM_fp_3s(DisasContext *s, arg_3same *a)
return false;
}
- if (a->size != 0) {
+ if (a->size == MO_16) {
if (!dc_isar_feature(aa32_fp16_arith, s)) {
return false;
}
@@ -1135,7 +1141,7 @@ static bool do_3same_fp_pair(DisasContext *s, arg_3same *a,
assert(a->q == 0); /* enforced by decode patterns */
- fpstatus = fpstatus_ptr(a->size != 0 ? FPST_STD_F16 : FPST_STD);
+ fpstatus = fpstatus_ptr(a->size == MO_16 ? FPST_STD_F16 : FPST_STD);
tcg_gen_gvec_3_ptr(vfp_reg_offset(1, a->vd),
vfp_reg_offset(1, a->vn),
vfp_reg_offset(1, a->vm),
@@ -1152,7 +1158,7 @@ static bool do_3same_fp_pair(DisasContext *s, arg_3same *a,
#define DO_3S_FP_PAIR(INSN,FUNC) \
static bool trans_##INSN##_fp_3s(DisasContext *s, arg_3same *a) \
{ \
- if (a->size != 0) { \
+ if (a->size == MO_16) { \
if (!dc_isar_feature(aa32_fp16_arith, s)) { \
return false; \
} \